Birds of Steel offers 20 historical and a wealth of fictitious missions, spanning eight world-famous campaigns, and users are given access to over 100 famous planes from the entire axis and allied forces rosters. A number of planes ideal for each campaign can be selected, and have been faithfully recreated in terms of handling, capabilities and weaponry. The classic Spitfire, P-51D Mustangs, and Messerschmidt 109 are all lined up for combat, as players opt to player opt to fight for the Allies, Japanese or Axis forces.